Flier construction



NOV. 21, 1933. J, MCHALE FLIER CONSTRUCTION Filed Aug. 25, 1931 Patented Nov. 21, 1933 UNITED STATES PATENT OFFICE 7 Claims.

This invention relates to improvements in fliers for spinning machines and more particularly to improved flier blocks and spindle engaging spring members associated therewith.

- 6' It is an object of the present invention to provide an improved flier block and associated spindle engaging spring member which is adapted for ready insertion and removal without dismantling the block.

10. It is also an object of this invention to provide such an improved flier block which is adapted to receive a flanged spindle engaging spring member.

A further object of this invention is the provision of an improved spindle engaging spring 15' member adapted to engage a flier block, the spring member being provided with a slotted flange.

With these and other desirable objects in view, which may be incident to my improvements, the inventioin consists in the parts and. combinations to be hereinafter set forth and claimed, with the understanding that the several necessary elements, comprising my invention, may be varied in construction, proportions and arrangement, without departing from the spirit and scope '26 of the appended claims.

In the drawing like numerals refer to similar parts throughout the several views, of which Figure 1 is a vertical sectional view of an improved flier block.

'30 Fig. 2 is a vertical sectional view of a modification of the flier.

Referring to the drawing and more particularly to Figure 1, there is shown a flier block 1 com prising nested members 2 and 3 in threaded engagement with each other and adapted to retain a flier wire 4 in operative engagement therewith. The flier may be made of any suitable material such as brass, bronze, iron, and turned up or cast from the same, or it may be made of moldable condensation products, such as the reaction product of phenol and formaldehyde, or from other thermoplastic molding compounds, having the necessary physical properties.

Member 3 of the flier block is provided with internal shoulders or flanges 5 and 5 adapted to receive a spring spindle gripping member 6. The spring 6 is provided with a slit 7 in order that the spring may be raised and lowered on the spindle, thus permitting adjustment of the block to any desired operative height with respect to the bobbin with which it is used. Sufficient clearance is provided between the spring and member 3 so that the spring does not bind with the block during rotation of the same.

In order to remove or replace a spindle grippingmember, suitable apertures 8 are provided in member 3 of the flier block. It is proposed to use a tool in the form of pliers having projections on the jaws thereof, which projections are adapted to be inserted into the apertures. By applying pressure to the handle of the tool, the projections are forced against the spring, thus compressing it to a diameter smaller than the central opening 9 in member 3, whereby the spring may be easily removed from the block. While 65 it is proposed to use a tool for this purpose, any other means for compressing the spring to a smaller diameter may be used.

In assembling the structure shown in Figure 1, the spindle gripping member 6 is compressed 70" and inserted into aperture 9 of member 3, the spring resting on the internal shoulder 5. Flier wire 4 is then placed on skirted portion 10 of the flier block and member 2 is turned down on the threaded portion of member 3, thus locking the 76. flier wire in the operative position.

Referring to Figure 2, there is shown a modification in which the flier block 1' is made in one piece. The body of the block is provided with flanges 11 which define a circumferential groove 12, adapted to receive a flier wire. The block is provided with internal shoulders 13 and 14 for the purpose of providing a bearing support for the spindle gripping spring 6. In the body of the block and below the flanges, are apertures 15, permitting access to the spring for the purpose of compressing it. Where it is desired to remove the spring from the block, a suitable compressing tool having pin jaw members may be applied to the block in a manner similar to that, described 917. I

in connection with the removal of the spindle gripping member shown in Figure l. The pin jaw members are passed through the aligned apertures 15 in the block and brought into engagement with the body 16 of the spring member, the block and spring, of course, having been previously removed from the spindle. The spring is compressed to a sufiicient diameter to enable it to pass through the apertures 17 in the body of the block.

By making these blocks of potentially hardenable material, it is possible to perform the necessary machining steps at a minimum of cost, after which, by suitable heat treatment, the necessary physical strength and hardness can be imparted to the block member as a whole. The spring members may be readily removed when broken and new ones inserted without dismantling the block and without sacrificing any features of mechanical and operative efficiency.

It will now be appreciated that there have been D provided improved flier blocks and associated spindle gripping spring members, the latter being adapted for ready insertion into and removal from the flier blocks and further subserving the useful function of bearing members for the blocks during their rotation and/or oscillation on the spindle.

While I have shown and described the preferred embodiment of my invention, I wish it to be understood that I do not confine myself to the precise details of construction herein set forth,

. means formed on the exterior of the body portion.

2. An improved flier block for spinning'machines, including a centrally apertured body portion, having internal shoulders, an expansible spindle gripping spring, mounted within the body portion, apertures in the body between the shoulders to permit the introduction of a spring compressing tool and a flier wire groove formed on the exterior of the block.

3. An improved flier block for spinning machines, including in combination, a centrally apertured body member, having a peripheral wire receiving groove, shoulders formed internally of the body, and a spindle'gripping member within the body adapted for endwise engagement with said shoulders.

4. A flier block for the spindles of spinning machines, including a pair of nested members, a central aperture in said members, one of said members having internal shoulders formed thereon, a spindle gripping spring within the member adapted for endwise engagement with the shoulders and flier wire receiving means formed on the exterior of the block.

5. A flier block for the spindles of spinning machines, including a pair of nested members, a central aperture in said members, one of the members having internal shoulders formed thereon, a spindle gripping spring adapted to seat on said shoulders, apertures in the internally shouldered member between the shoulders to permit the introduction of a spring compressing tool and flier wire means formed on the exterior of the block.

6. An improved flier block for spinning machines, including in combination, a centrally apertured body member having a peripheral wire receiving groove, shoulders formed internally of the body, and a spindle gripping spring of uniform external diameter adapted to seat on said shoulders.

7. A flier for the spindles of spinning machines, including a pair of nested members, a central aperture in said members, one of said members having internal shoulders formed thereon, a spindle gripping spring of uniform external diameter adapted to seat on said shoulders, and flier wire receiving means formed on the exterior of the internally shouldered member.

MICHAEL J. McHALE. 

